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Sophie Carruthers; Tony Charman; Kathy Leadbitter; Ceri Ellis; Lauren Taylor; Heather Moore; Carol Taylor; Kirsty James; Matea Balabanovska; Sophie Langhorne; Catherine Aldred; Vicky Slonims; Vicki Grahame; Patricia Howlin; Helen McConachie; Jeremy Parr; Richard Emsley; Ann Le Couteur; Jonathan Green; Andrew Pickles; PACT-G Trial Group – Journal of Autism and Developmental Disorders, 2025
We investigated autistic children's generalisation of social communication over time across three settings during a play-based assessment with different adults and explore the potential moderating effects on generalisation of age, nonverbal IQ and level of restricted and repetitive behaviours. The social communication abilities of 248 autistic…
Descriptors: Generalization, Interpersonal Communication, Interpersonal Competence, Communication Skills
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Stuart, Nicole; Whitehouse, Andrew; Palermo, Romina; Bothe, Ellen; Badcock, Nicholas – Journal of Autism and Developmental Disorders, 2023
Reduced eye contact early in life may play a role in the developmental pathways that culminate in a diagnosis of autism spectrum disorder. However, there are contradictory theories regarding the neural mechanisms involved. According to the amygdala theory of autism, reduced eye contact results from a hypoactive amygdala that fails to flag eyes as…
Descriptors: Literature Reviews, Nonverbal Communication, Autism Spectrum Disorders, Child Development
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Broome, Kate; McCabe, Patricia; Docking, Kimberley; Doble, Maree; Carrigg, Bronwyn – Journal of Autism and Developmental Disorders, 2023
Subgroups of children with different speech profiles have been described however, little is known about the trajectories of speech development or stability of subgroups over time. This longitudinal study described both speech trajectories and subgroup stability of 22 autistic children, aged 2;0-6;11 years, over 12 months. Independent and…
Descriptors: Speech Skills, Child Development, Autism Spectrum Disorders, Vocabulary Development
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Hart, Chelsie M.; Curtin, Suzanne – Journal of Autism and Developmental Disorders, 2023
This longitudinal study examined how receptive and expressive vocabulary assessments capture vocabulary development in children with Autism Spectrum Disorder (ASD) and typically developing (TD) children. Using mixed regression modelling, we explored when children with ASD significantly different from TD children. We also examined the variability…
Descriptors: Vocabulary Development, Autism Spectrum Disorders, Pictorial Stimuli, Child Development
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Waddington, Hannah; Macaskill, Ella; Whitehouse, Andrew J. O.; Billingham, Wesley; Alvares, Gail A. – Journal of Autism and Developmental Disorders, 2023
This study examined whether parent-reported atypical development in their child's first year was associated with age of diagnosis and age when parents first needed to consult a specialist about their child's development. It involved 423 children who participated in the Australian Autism Biobank. Most parents retrospectively identified [greater or…
Descriptors: Foreign Countries, Infants, Parents, Autism Spectrum Disorders
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Tingting Xie; Huan Ma; Lijuan Wang; Yanfei Du – Journal of Autism and Developmental Disorders, 2024
This study explored the impacts of enactment and motor imagery on working memory for instructions in children with autism spectrum disorder (ASD), children with intellectual disability (ID) and typically developing (TD) children. The participants were asked to hear (hearing condition), imagine enacting (motor imagery condition) and actually enact…
Descriptors: Psychomotor Skills, Imagery, Short Term Memory, Autism Spectrum Disorders
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Zapparrata, Nicole M.; Brooks, Patricia J.; Ober, Teresa M. – Journal of Autism and Developmental Disorders, 2023
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition affecting information processing across domains. The current meta-analysis investigated whether slower processing speed is associated with the ASD neurocognitive profile and whether findings hold across different time-based tasks and stimuli (social vs. nonsocial; linguistic…
Descriptors: Autism Spectrum Disorders, Cognitive Processes, Stimuli, Reaction Time
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Brian Barger; Ashley Salmon; Quentin Moore – Journal of Autism and Developmental Disorders, 2024
Developmental monitoring/screening predict early identified autism spectrum disorders (ASD), but studies have not yet robustly controlled for a key health care service impacting early identification: medical home. National Surveys of Children's Health (NSCH; 2016-2020) were used to determine the relationship between medical home, developmental…
Descriptors: Autism Spectrum Disorders, Identification, Screening Tests, Child Development
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Devon R. Oosting; Mya S. Howard; Alice S. Carter – Journal of Autism and Developmental Disorders, 2024
Longitudinal research on language abilities and social functioning in young children suggests that gains in one domain affect gains in the other. However, few studies have examined inter-relations of language and social functioning jointly among young children diagnosed with autism spectrum disorder (ASD). Pre-verbal toddlers with ASD are a group…
Descriptors: Autism Spectrum Disorders, Children, Language Proficiency, Interpersonal Competence
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Antonina Loncarevic; Murray T. Maybery; Josephine Barbaro; Cheryl Dissanayake; Jonathan Green; Kristelle Hudry; Teresa Iacono; Vicky Slonims; Kandice J. Varcin; Ming Wai Wan; John Wray; Andrew J. O. Whitehouse – Journal of Autism and Developmental Disorders, 2024
The importance of supporting parent-child interactions has been noted in the context of prodromal autism, but little consideration has been given to the possible contributing role of parental characteristics, such as psychological distress. This cross-sectional study tested models in which parent-child interaction variables mediated relations…
Descriptors: Parent Child Relationship, Interaction, Family Characteristics, Child Behavior
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Waddington, Hannah; Shepherd, Daniel; van der Meer, Larah; Powell-Hector, Naomi; Wilson, Eleanor; Barbaro, Josephine – Journal of Autism and Developmental Disorders, 2022
Universal developmental surveillance is considered best practice for early identification of autism. We analysed data from 175 New Zealand Well-Child/Tamariki Ora nurses who attended a 1-day training in developmental surveillance for autism using the social attention and communication surveillance-revised (SACS-R) tool. We used a survey to measure…
Descriptors: Foreign Countries, Nursing, Autism Spectrum Disorders, Identification
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Melanie Labusch; Manuel Perea; Rosa Sahuquillo-Leal; Isabel Bofill-Moscardó; Ángel Carrasco-Tornero; Antonio Cañada-Pérez; Ana García-Blanco – Journal of Autism and Developmental Disorders, 2024
A potential underlying mechanism associated with the difficulties in social interactions in Autistic Spectrum Disorders (ASD) concerns the abnormal development of moral reasoning. The present study examined utilitarian and deontological judgments in impersonal and personal moral dilemmas, comparing 66 individuals with ASD and 61 typically…
Descriptors: Children, Adolescents, Autism Spectrum Disorders, Decision Making
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Daniel Berends; Catherine A. Bent; Giacomo Vivanti; Cheryl Dissanayake; Kristelle Hudry – Journal of Autism and Developmental Disorders, 2024
Purpose: While research indicates that both the core features of autism and associated developmental skills influence adaptive behaviour outcomes, results to date suggest greater influence of the latter than the former, and little attention has been given to how the interaction of both together might impact functional disability. Seeking to expand…
Descriptors: Autism Spectrum Disorders, Skill Development, Symptoms (Individual Disorders), Child Behavior
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Pickard, Katherine; Mellman, Hannah; Frost, Kyle; Reaven, Judy; Ingersoll, Brooke – Journal of Autism and Developmental Disorders, 2023
Naturalistic developmental behavioral interventions (NDBIs) are evidence-based interventions for young children with autism spectrum disorder. There has been growing interest in implementing manualized NDBIs within the early intervention (EI) system without a clear understanding of how these programs and the broader strategies encompassed within…
Descriptors: Autism Spectrum Disorders, Intervention, Young Children, Behavior Modification
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Catherine Bent; Susan Glencross; Karen McKinnon; Kristelle Hudry; Cheryl Dissanayake; The Victorian ASELCC Team; Giacomo Vivanti – Journal of Autism and Developmental Disorders, 2024
Many autistic children require support to meet their learning needs. Given the heterogeneity within the autism spectrum it is plausible that different types of support might be better suited to different children. However, knowledge on what interventions work best for which children is limited. We examined the outcomes of autistic preschool-aged…
Descriptors: Autism Spectrum Disorders, Intervention, Preschool Children, Early Intervention
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